TWI264772B - Manufacturing method of semiconductor wafer and wafer - Google Patents

Manufacturing method of semiconductor wafer and wafer

Info

Publication number
TWI264772B
TWI264772B TW092110046A TW92110046A TWI264772B TW I264772 B TWI264772 B TW I264772B TW 092110046 A TW092110046 A TW 092110046A TW 92110046 A TW92110046 A TW 92110046A TW I264772 B TWI264772 B TW I264772B
Authority
TW
Taiwan
Prior art keywords
wafer
polishing
backside
chamfering
mirror
Prior art date
Application number
TW092110046A
Other languages
English (en)
Chinese (zh)
Other versions
TW200403738A (en
Inventor
Takahiro Kida
Seiichi Miyazaki
Kazuhiko Nishimura
Nobuyuki Hayashi
Katsunori Arai
Original Assignee
Shinetsu Handotai Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shinetsu Handotai Kk filed Critical Shinetsu Handotai Kk
Publication of TW200403738A publication Critical patent/TW200403738A/zh
Application granted granted Critical
Publication of TWI264772B publication Critical patent/TWI264772B/zh

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02002Preparing wafers
    • H01L21/02005Preparing bulk and homogeneous wafers
    • H01L21/02008Multistep processes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/304Mechanical treatment, e.g. grinding, polishing, cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/04Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/042Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/065Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of thin, brittle parts, e.g. semiconductors, wafers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/77Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
    • H01L21/78Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
    • H01L21/82Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
    • H01L21/822Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02041Cleaning
    • H01L21/02043Cleaning before device manufacture, i.e. Begin-Of-Line process
    • H01L21/02052Wet cleaning only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/306Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/30604Chemical etching
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/928Front and rear surface processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
TW092110046A 2002-04-30 2003-04-29 Manufacturing method of semiconductor wafer and wafer TWI264772B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002128550A JP4093793B2 (ja) 2002-04-30 2002-04-30 半導体ウエーハの製造方法及びウエーハ

Publications (2)

Publication Number Publication Date
TW200403738A TW200403738A (en) 2004-03-01
TWI264772B true TWI264772B (en) 2006-10-21

Family

ID=29397270

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092110046A TWI264772B (en) 2002-04-30 2003-04-29 Manufacturing method of semiconductor wafer and wafer

Country Status (8)

Country Link
US (1) US7250368B2 (ja)
EP (1) EP1501119B1 (ja)
JP (1) JP4093793B2 (ja)
KR (1) KR100909140B1 (ja)
CN (1) CN100365774C (ja)
DE (1) DE60325039D1 (ja)
TW (1) TWI264772B (ja)
WO (1) WO2003094215A1 (ja)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4273943B2 (ja) * 2003-12-01 2009-06-03 株式会社Sumco シリコンウェーハの製造方法
JP4856861B2 (ja) * 2004-07-20 2012-01-18 シャープ株式会社 半導体装置の製造方法
DE102006020823B4 (de) * 2006-05-04 2008-04-03 Siltronic Ag Verfahren zur Herstellung einer polierten Halbleiterscheibe
US20080206992A1 (en) * 2006-12-29 2008-08-28 Siltron Inc. Method for manufacturing high flatness silicon wafer
EP2107598B1 (en) * 2007-01-31 2016-09-07 Shin-Etsu Handotai Co., Ltd. Chamfering apparatus for silicon wafer and method for producing silicon wafer
DE112008001104B4 (de) * 2007-04-27 2016-02-04 Shibaura Mechatronics Corp. Vorrichtung zur Halbleiterwafer-Bearbeitung und Verfahren sowie Vorrichtung zur Ermittlung einer Bezugswinkelposition
JP2009302338A (ja) * 2008-06-13 2009-12-24 Sumco Corp ウェーハの研磨方法および該方法により製造されるウェーハ
JP5600867B2 (ja) * 2008-06-16 2014-10-08 株式会社Sumco 半導体ウェーハの製造方法
JP2009302409A (ja) * 2008-06-16 2009-12-24 Sumco Corp 半導体ウェーハの製造方法
JP2009302410A (ja) * 2008-06-16 2009-12-24 Sumco Corp 半導体ウェーハの製造方法
JP2009302478A (ja) * 2008-06-17 2009-12-24 Sumco Techxiv株式会社 半導体ウェーハの製造方法
FR2935536B1 (fr) * 2008-09-02 2010-09-24 Soitec Silicon On Insulator Procede de detourage progressif
EP2200077B1 (en) * 2008-12-22 2012-12-05 Soitec Method for bonding two substrates
DE102009030295B4 (de) * 2009-06-24 2014-05-08 Siltronic Ag Verfahren zur Herstellung einer Halbleiterscheibe
JP5423384B2 (ja) * 2009-12-24 2014-02-19 株式会社Sumco 半導体ウェーハおよびその製造方法
US8952496B2 (en) 2009-12-24 2015-02-10 Sumco Corporation Semiconductor wafer and method of producing same
JPWO2011083667A1 (ja) * 2010-01-05 2013-05-13 住友電気工業株式会社 化合物半導体ウェハの加工方法及び加工装置
DE102010005904B4 (de) * 2010-01-27 2012-11-22 Siltronic Ag Verfahren zur Herstellung einer Halbleiterscheibe
US8602842B2 (en) * 2010-03-12 2013-12-10 Wayne O. Duescher Three-point fixed-spindle floating-platen abrasive system
US8647170B2 (en) 2011-10-06 2014-02-11 Wayne O. Duescher Laser alignment apparatus for rotary spindles
US8647171B2 (en) * 2010-03-12 2014-02-11 Wayne O. Duescher Fixed-spindle floating-platen workpiece loader apparatus
US8758088B2 (en) 2011-10-06 2014-06-24 Wayne O. Duescher Floating abrading platen configuration
US8500515B2 (en) * 2010-03-12 2013-08-06 Wayne O. Duescher Fixed-spindle and floating-platen abrasive system using spherical mounts
US8647172B2 (en) 2010-03-12 2014-02-11 Wayne O. Duescher Wafer pads for fixed-spindle floating-platen lapping
US8696405B2 (en) 2010-03-12 2014-04-15 Wayne O. Duescher Pivot-balanced floating platen lapping machine
US8740668B2 (en) * 2010-03-12 2014-06-03 Wayne O. Duescher Three-point spindle-supported floating abrasive platen
US8641476B2 (en) 2011-10-06 2014-02-04 Wayne O. Duescher Coplanar alignment apparatus for rotary spindles
FR2961630B1 (fr) 2010-06-22 2013-03-29 Soitec Silicon On Insulator Technologies Appareil de fabrication de dispositifs semi-conducteurs
US8338266B2 (en) 2010-08-11 2012-12-25 Soitec Method for molecular adhesion bonding at low pressure
FR2964193A1 (fr) 2010-08-24 2012-03-02 Soitec Silicon On Insulator Procede de mesure d'une energie d'adhesion, et substrats associes
US8337280B2 (en) 2010-09-14 2012-12-25 Duescher Wayne O High speed platen abrading wire-driven rotary workholder
US8430717B2 (en) 2010-10-12 2013-04-30 Wayne O. Duescher Dynamic action abrasive lapping workholder
JP2012178458A (ja) * 2011-02-25 2012-09-13 Fujitsu Ltd 半導体装置の製造方法及び半導体基板の洗浄方法
JP6027346B2 (ja) * 2012-06-12 2016-11-16 Sumco Techxiv株式会社 半導体ウェーハの製造方法
US8845394B2 (en) 2012-10-29 2014-09-30 Wayne O. Duescher Bellows driven air floatation abrading workholder
US8998678B2 (en) 2012-10-29 2015-04-07 Wayne O. Duescher Spider arm driven flexible chamber abrading workholder
US9039488B2 (en) 2012-10-29 2015-05-26 Wayne O. Duescher Pin driven flexible chamber abrading workholder
US8998677B2 (en) 2012-10-29 2015-04-07 Wayne O. Duescher Bellows driven floatation-type abrading workholder
US9011207B2 (en) 2012-10-29 2015-04-21 Wayne O. Duescher Flexible diaphragm combination floating and rigid abrading workholder
US9199354B2 (en) 2012-10-29 2015-12-01 Wayne O. Duescher Flexible diaphragm post-type floating and rigid abrading workholder
US9233452B2 (en) 2012-10-29 2016-01-12 Wayne O. Duescher Vacuum-grooved membrane abrasive polishing wafer workholder
US9604339B2 (en) 2012-10-29 2017-03-28 Wayne O. Duescher Vacuum-grooved membrane wafer polishing workholder
TWI599446B (zh) * 2013-03-25 2017-09-21 Sapphire polishing pad dresser production methods
CN104142259A (zh) * 2013-05-10 2014-11-12 河南协鑫光伏科技有限公司 一种太阳能单晶硅测试样片的制作方法
JP2015038919A (ja) * 2013-08-19 2015-02-26 株式会社ディスコ ウェーハの製造方法
JP6244962B2 (ja) * 2014-02-17 2017-12-13 株式会社Sumco 半導体ウェーハの製造方法
JP6040947B2 (ja) * 2014-02-20 2016-12-07 信越半導体株式会社 ワークの両頭研削方法
CN103847032B (zh) * 2014-03-20 2016-01-06 德清晶辉光电科技有限公司 一种大直径超薄石英晶片的生产工艺
CN103921205B (zh) * 2014-04-04 2016-08-24 德清晶辉光电科技有限公司 一种6英寸铌酸锂晶片或钽酸锂晶片的生产工艺
JP6045542B2 (ja) * 2014-09-11 2016-12-14 信越半導体株式会社 半導体ウェーハの加工方法、貼り合わせウェーハの製造方法、及びエピタキシャルウェーハの製造方法
DE102015220924B4 (de) * 2015-10-27 2018-09-27 Siltronic Ag Suszeptor zum Halten einer Halbleiterscheibe mit Orientierungskerbe, Verfahren zum Abscheiden einer Schicht auf einer Halbleiterscheibe und Halbleiterscheibe
US10926378B2 (en) 2017-07-08 2021-02-23 Wayne O. Duescher Abrasive coated disk islands using magnetic font sheet
EP3567138B1 (en) * 2018-05-11 2020-03-25 SiCrystal GmbH Chamfered silicon carbide substrate and method of chamfering
EP3567139B1 (en) 2018-05-11 2021-04-07 SiCrystal GmbH Chamfered silicon carbide substrate and method of chamfering
US11691241B1 (en) * 2019-08-05 2023-07-04 Keltech Engineering, Inc. Abrasive lapping head with floating and rigid workpiece carrier
TWI802406B (zh) * 2021-07-29 2023-05-11 環球晶圓股份有限公司 碳化矽晶圓的加工方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3430499B2 (ja) * 1996-08-09 2003-07-28 三菱住友シリコン株式会社 半導体ウェ−ハおよびその製造方法
US5821166A (en) * 1996-12-12 1998-10-13 Komatsu Electronic Metals Co., Ltd. Method of manufacturing semiconductor wafers
JPH11188590A (ja) * 1997-12-22 1999-07-13 Speedfam Co Ltd エッジポリッシング装置
JP3964029B2 (ja) * 1998-01-20 2007-08-22 沖電気工業株式会社 半導体基板の製造方法
JP3664593B2 (ja) * 1998-11-06 2005-06-29 信越半導体株式会社 半導体ウエーハおよびその製造方法
JP3329288B2 (ja) * 1998-11-26 2002-09-30 信越半導体株式会社 半導体ウエーハおよびその製造方法
JP3551300B2 (ja) * 1999-02-18 2004-08-04 三菱住友シリコン株式会社 高平坦度ウェーハの製造方法
JP4154683B2 (ja) * 1999-09-30 2008-09-24 株式会社Sumco 高平坦度裏面梨地ウェーハの製造方法および該製造方法に用いられる表面研削裏面ラップ装置
US6376378B1 (en) * 1999-10-08 2002-04-23 Chartered Semiconductor Manufacturing, Ltd. Polishing apparatus and method for forming an integrated circuit
DE19956250C1 (de) * 1999-11-23 2001-05-17 Wacker Siltronic Halbleitermat Kostengünstiges Verfahren zur Herstellung einer Vielzahl von Halbleiterscheiben
DE10004578C1 (de) * 2000-02-03 2001-07-26 Wacker Siltronic Halbleitermat Verfahren zur Herstellung einer Halbleiterscheibe mit polierter Kante
EP1188516A4 (en) * 2000-02-23 2004-12-08 Shinetsu Handotai Kk METHOD AND APPARATUS FOR POLISHING AN OUTER CIRCULAR PART WITH CHAMFER OF A WAFER
WO2001073831A1 (fr) 2000-03-29 2001-10-04 Shin-Etsu Handotai Co., Ltd. Procede d'obtention de tranches de silicium ou de soi et tranches ainsi obtenues
JP4846915B2 (ja) * 2000-03-29 2011-12-28 信越半導体株式会社 貼り合わせウェーハの製造方法
KR100792774B1 (ko) * 2000-06-29 2008-01-11 신에쯔 한도타이 가부시키가이샤 반도체 웨이퍼의 가공방법 및 반도체 웨이퍼
DE10058305A1 (de) * 2000-11-24 2002-06-06 Wacker Siltronic Halbleitermat Verfahren zur Oberflächenpolitur von Siliciumscheiben
DE10142400B4 (de) * 2001-08-30 2009-09-03 Siltronic Ag Halbleiterscheibe mit verbesserter lokaler Ebenheit und Verfahren zu deren Herstellung
KR100420205B1 (ko) * 2001-09-10 2004-03-04 주식회사 하이닉스반도체 웨이퍼 제조 방법
DE10159833C1 (de) * 2001-12-06 2003-06-18 Wacker Siltronic Halbleitermat Verfahren zur Herstellung einer Vielzahl von Halbleiterscheiben
JP2004022677A (ja) * 2002-06-13 2004-01-22 Shin Etsu Handotai Co Ltd 半導体ウエーハ
JP4464033B2 (ja) * 2002-06-13 2010-05-19 信越半導体株式会社 半導体ウエーハの形状評価方法及び形状評価装置
US7416962B2 (en) * 2002-08-30 2008-08-26 Siltronic Corporation Method for processing a semiconductor wafer including back side grinding
TW200411759A (en) * 2002-09-18 2004-07-01 Memc Electronic Materials Process for etching silicon wafers

Also Published As

Publication number Publication date
TW200403738A (en) 2004-03-01
US7250368B2 (en) 2007-07-31
KR20040111463A (ko) 2004-12-31
WO2003094215A1 (fr) 2003-11-13
CN100365774C (zh) 2008-01-30
US20050142882A1 (en) 2005-06-30
JP4093793B2 (ja) 2008-06-04
DE60325039D1 (de) 2009-01-15
KR100909140B1 (ko) 2009-07-23
CN1650404A (zh) 2005-08-03
EP1501119A1 (en) 2005-01-26
JP2003324081A (ja) 2003-11-14
EP1501119B1 (en) 2008-12-03
EP1501119A4 (en) 2007-01-17

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